package com.service;

import com.dao.UserDao;
import com.dao.UserDaoImpl;

public class UserService {


    //创建UserDao类型属性，生成set方法
    private UserDao userDao;

    public void setUserDao(UserDao userDao) {
        this.userDao = userDao;
    }

    public void add(){
        System.out.println("service add.......");

        userDao.update();

        /*  原始方式：  //创建UserDao对象
        UserDao userDao = new UserDaoImpl();
        userDao.update();*/

    }

}
